[NSRCA-discussion] Fw: Judging . . . . . .

J N Hiller jnhiller at earthlink.net
Fri Dec 9 08:25:32 AKST 2011


How do flying style differences affect scoring? Judges may be accustomed to
seeing the sequence flown is a familiar manner may score it slightly higher.
Jim

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Bob Kane
Sent: Friday, December 09, 2011 8:44 AM
To: nsrca
Subject: [NSRCA-discussion] Fw: Judging . . . . . .

Actually, no.

The only statistically valid comparison is when a large enough number of
judges are judging the same flight. Most local contests have only two judges
per flight.  There is no way to know if one judge is doing a better job than
the other because you don't have a large enough group to establish an
average score.

The only thing you may see are "high" and "low" judges, but that is not
important unless there is bias, which falls into my first statement.

The NATS comes close to having large enough judging groups.  But, at least
up until now, no one has been willing to propose using any statisical
analysis on the judges performance.

The Worlds uses TBL to analyze judging performance and exclude "bad" scores.
It is contriversial, since most people don't have a solid understanding of
the statistical analysis used.  The raw scores are posted during the
preliminaries, and everyone uses those to determine placement.  But when TBL
is applied, it can alter the pilot positions by tossing out scores that are
ruled statistically invalid.

Bob Kane
getterflash at yahoo.com
From: Peter Vogel <vogel.peter at gmail.com>
To: Bob Kane <getterflash at yahoo.com>; General pattern discussion
<nsrca-discussion at lists.nsrca.org>
Cc: nsrca <nsrca-discussion at lists.nsrca.org>
Sent: Friday, December 9, 2011 10:40 AM
Subject: Re: [NSRCA-discussion] Judging . . . . . .
Doesn't having a scoring system that allows for aggregated data analysis
help with judging the judges over time?

Peter+

Sent from my iPhone4S

On Dec 9, 2011, at 7:04 AM, Bob Kane < getterflash at yahoo.com
<mailto:getterflash at yahoo.com> > wrote:
Personally, I think we need to continue to focus of the quality of judging
before we get too distracted on automated score entry.

2 - Know the rules
3 - Apply the rules
4 - Be consistent

Bob Kane
getterflash at yahoo.com <mailto:getterflash at yahoo.com>
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